Home / 112,779,930,437.40-169,239,478,468.66-52,262,927,981.68

Finding the Fourth Proportional to 112,779,930,437.40, 169,239,478,468.66 and 52,262,927,981.68

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Solution

The fourth proportional to 112,779,930,437.40, 169,239,478,468.66 and 52,262,927,981.68 is: 78,426,637,084.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,779,930,437.40 : 169,239,478,468.66 = 52,262,927,981.68 : x
  2. Step 2: Convert to fraction form
    112,779,930,437.40/169,239,478,468.66 = 52,262,927,981.68/x
  3. Step 3: Cross multiply
    112,779,930,437.40x = 169,239,478,468.66 × 52,262,927,981.68
  4. Step 4: Simplify right side
    112,779,930,437.40x = 8,844,950,674,864,660,807,680
  5. Step 5: Solve for x
    x = 8,844,950,674,864,660,807,680/112,779,930,437.40
  6. Step 6: Final answer
    x = 78,426,637,084.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.